---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-8512 6.8.0-138-generic #138-Ubuntu SMP PREEMPT_DYNAMIC Fri Jul 31 22:41:49 UTC 2026 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Address sizes: 40 bits physical, 48 bits virtual Byte Order: Little Endian CPU(s): 2 On-line CPU(s) list: 0,1 Vendor ID: AuthenticAMD Model name: AMD EPYC-Rome Processor CPU family: 23 Model: 49 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 2 Stepping: 0 BogoMIPS: 5599.99 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 clzero xsaveerptr wbnoinvd arat npt lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 64 KiB (2 instances) L1i cache: 64 KiB (2 instances) L2 cache: 1 MiB (2 instances) L3 cache: 32 MiB (2 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0,1 Vulnerability Gather data sampling: Not affected Vulnerability Indirect target selection: Not affected Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Reg file data sampling: Not affected Vulnerability Retbleed: Mitigation; untrained return thunk; SMT disabled Vulnerability Spec rstack overflow: Vulnerable: Safe RET, no microcode Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Retpolines; IBPB conditional; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsa: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 2 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 795M 1.1M 794M 1% /run /dev/vda1 38G 8.2G 30G 22% / tmpfs 3.9G 0 3.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda16 881M 117M 703M 15% /boot /dev/vda15 105M 6.2M 99M 6% /boot/efi tmpfs 795M 16K 795M 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 7941 754 5007 4 2475 7187 Swap: 1023 0 1023 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host noprefixroute valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:54:85:3a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.253/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80278sec preferred_lft 80278sec inet6 fe80::f816:3eff:fe54:853a/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-8512) 09/16/26 _x86_64_ (2 CPU) 01:05:11 LINUX RESTART (2 CPU) 01:10:23 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:23 1.34 0.03 1.31 0.00 1.25 16.29 0.12 01:30:13 1.42 0.01 1.38 0.03 0.05 17.99 1.45 01:40:01 1.15 0.00 1.14 0.02 0.00 14.43 1.22 01:50:23 1.20 0.00 1.19 0.02 0.00 14.90 1.16 02:00:13 1.48 0.00 1.45 0.03 0.00 18.55 1.34 02:10:01 1.88 0.33 1.52 0.02 44.36 107.09 35.93 02:20:23 1.24 0.00 1.24 0.00 0.00 15.08 0.00 02:30:23 1.49 0.00 1.47 0.01 0.00 19.00 852.73 02:40:01 41.94 3.12 22.03 16.79 238.80 3798.82 112621.86 Average: 5.75 0.38 3.56 1.82 30.65 432.80 12198.26 01:10:23 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:23 6300400 7547416 272684 3.35 30612 1423228 527936 5.75 440476 1184128 180 01:30:13 6291796 7539348 280768 3.45 30828 1423564 524648 5.71 439216 1184648 176 01:40:01 6296204 7544276 275828 3.39 31028 1423852 531132 5.79 439876 1185164 248 01:50:23 6295700 7544324 275808 3.39 31212 1424208 531200 5.79 439972 1185708 180 02:00:13 6289064 7538296 281808 3.47 31416 1424608 531204 5.79 439956 1186240 228 02:10:01 6232360 7521660 297644 3.66 32068 1463528 732948 7.98 458524 1215608 240 02:20:23 6232108 7521932 297356 3.66 32228 1463888 732996 7.98 458568 1216128 180 02:30:23 6237668 7528176 291032 3.58 32428 1464348 732996 7.98 458824 1216652 188 02:40:01 5131160 7397540 367936 4.52 88788 2338188 851904 9.28 604824 2100984 2940 Average: 6145162 7520330 293429 3.61 37845 1538824 632996 6.89 464471 1297251 507 01:10:23 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:23 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:23 ens3 0.78 0.12 0.13 0.06 0.00 0.00 0.00 0.00 01:30:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:13 ens3 0.51 0.06 0.35 0.03 0.00 0.00 0.00 0.00 01:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 0.52 0.07 0.08 0.04 0.00 0.00 0.00 0.00 01:50:23 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:23 ens3 0.22 0.03 0.03 0.01 0.00 0.00 0.00 0.00 02:00:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:13 ens3 0.33 0.07 0.07 0.04 0.00 0.00 0.00 0.00 02:10:01 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 0.63 0.47 3.39 0.56 0.00 0.00 0.00 0.00 02:20:23 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:23 ens3 0.21 0.04 0.03 0.01 0.00 0.00 0.00 0.00 02:30:23 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:23 ens3 0.23 0.03 0.04 0.01 0.00 0.00 0.00 0.00 02:40:01 lo 1.32 1.32 0.08 0.08 0.00 0.00 0.00 0.00 02:40:01 ens3 87.18 63.84 359.74 15.71 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 9.74 6.96 39.10 1.77 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-8512) 09/16/26 _x86_64_ (2 CPU) 01:05:11 LINUX RESTART (2 CPU) 01:10:23 CPU %user %nice %system %iowait %steal %idle 01:20:23 all 0.26 0.00 0.09 0.01 0.01 99.63 01:20:23 0 0.45 0.00 0.07 0.02 0.01 99.46 01:20:23 1 0.06 0.00 0.12 0.01 0.01 99.80 01:30:13 all 0.29 0.00 0.20 0.01 0.01 99.49 01:30:13 0 0.47 0.00 0.19 0.02 0.00 99.31 01:30:13 1 0.11 0.00 0.21 0.00 0.01 99.68 01:40:01 all 0.27 0.00 0.11 0.01 0.00 99.61 01:40:01 0 0.04 0.00 0.12 0.01 0.01 99.82 01:40:01 1 0.49 0.00 0.10 0.01 0.00 99.41 01:50:23 all 0.26 0.00 0.08 0.01 0.00 99.65 01:50:23 0 0.05 0.00 0.10 0.00 0.00 99.84 01:50:23 1 0.47 0.00 0.06 0.02 0.00 99.45 02:00:13 all 0.27 0.00 0.19 0.01 0.00 99.52 02:00:13 0 0.28 0.00 0.18 0.02 0.00 99.52 02:00:13 1 0.27 0.00 0.21 0.01 0.00 99.52 02:10:01 all 0.44 0.00 0.12 0.03 0.00 99.40 02:10:01 0 0.13 0.00 0.12 0.02 0.00 99.72 02:10:01 1 0.76 0.00 0.12 0.04 0.00 99.08 02:20:23 all 0.24 0.00 0.08 0.01 0.00 99.67 02:20:23 0 0.04 0.00 0.09 0.00 0.00 99.86 02:20:23 1 0.44 0.00 0.07 0.01 0.00 99.48 02:30:23 all 0.27 0.00 0.21 0.01 0.01 99.50 02:30:23 0 0.18 0.00 0.21 0.01 0.01 99.59 02:30:23 1 0.37 0.00 0.21 0.01 0.01 99.41 02:40:01 all 15.78 0.00 2.27 1.91 0.03 80.01 02:40:01 0 16.85 0.00 2.09 2.62 0.03 78.41 02:40:01 1 14.72 0.00 2.46 1.19 0.03 81.61 Average: all 1.95 0.00 0.36 0.22 0.01 97.46 Average: 0 1.99 0.00 0.34 0.29 0.01 97.36 Average: 1 1.91 0.00 0.39 0.14 0.01 97.56